Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11086870 | Multi-table aggregation through partial-group-by processing | Anantha B. Subramanian, Sanjay Nair, Yi Xia, Grace Kwan-On Au | 2021-08-10 |
| 10891290 | Query plan searching and optimization | John Mark Morris, Bhashyam Ramesh, Donald Raymond Pederson | 2021-01-12 |
| 10664477 | Cardinality estimation in databases | — | 2020-05-26 |
| 10452658 | Caching methods and a system for entropy-based cardinality estimation | Chuchu Wu, Wei-Cheng Tang | 2019-10-22 |
| 7991765 | Cost-based query rewrite using materialized views | Hong Gui, Grace Kwan-On Au | 2011-08-02 |
| 7877372 | Method and system for querying tables stored on multiple processing modules | Arthur Vargas Lopes, Jerry Lynn Klindt, Donald Raymond Pederson, Pradeep Sathyanarayan | 2011-01-25 |
| 7319995 | Method and system for inclusion hash joins and exclusion hash joins in relational databases | — | 2008-01-15 |
| 7260563 | Efficient costing for inclusion merge join | Bibhu Ranjan Priyadarshi, Grace Kwan-On Au | 2007-08-21 |
| 7203686 | Partition join in a partitioned database system | Paul Laurence Sinclair | 2007-04-10 |
| 7035851 | Reorganization of database records using partition merging | Paul Laurence Sinclair | 2006-04-25 |
| 6944633 | Performing a join in a partitioned database system | Lawrence H. Higa, Paul Laurence Sinclair, Mark Sirek | 2005-09-13 |
| 6834279 | Method and system for inclusion hash joins and exclusion hash joins in relational databases | — | 2004-12-21 |
| 6772163 | Reduced memory row hash match scan join for a partitioned database system | Paul Laurence Sinclair | 2004-08-03 |
| 6477523 | Selectivity prediction with compressed histograms in a parallel processing database system | — | 2002-11-05 |